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2415653
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Information
Patent Grant
2415653
References
Source
Patent Number
2,415,653
Date Filed
Not available
Date Issued
Tuesday, February 11, 1947
77 years ago
CPC
H01H51/32 - Frequency relays Mechanically-tuned relays
H01H53/10 - Induction relays
H02H3/427 - using induction relays
US Classifications
361 - Electricity: electrical systems and devices
324 - Electricity: measuring and testing
340 - Communications: electrical
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